LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2017 >> Q50 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 203 (Tires, Wheels & Tire Pressure Monitoring System (TPMS) (Symptom Diagnosis & Removal And Installation) (Hybrid)) >> Symptom Diagnosis >> Low Tire Pressure Warning Lamp Stays On >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK TIRE PRESSURE

    1. Turn the ignition switch ON.
      CAUTION:

      Never start the engine.

    2. Check the tire pressure for all wheels and adjust to the specified value. Refer to TIRE AIR PRESSURE .

    Is the inspection result normal?

    YES 

    GO TO STEP 2. 

    NO 

    Inspect or repair the tires or wheels.

  2. CHECK LOW TIRE PRESSURE WARNING LAMP

    Check low tire pressure warning lamp display.

    Does not low tire pressure warning lamp turn OFF?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 3. 

  3. CHECK BCM

    G-20With CONSULT 

    Perform "SELF-DIAG RESULTS" in "AIR PRESSURE MONITOR".

    Is any DTC detected?

    YES 

    Check the DTC. Refer to DTC INDEX .

    NO 

    GO TO STEP 4. 

  4. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT

    Perform the trouble diagnosis for power supply and ground circuit. Refer to DIAGNOSIS PROCEDURE .

    Is the inspection result normal?

    YES 

    Replace the BCM. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace error-detected parts.